22212975 has 24 divisors (see below), whose sum is σ = 37064592. Its totient is φ = 11737600.

The previous prime is 22212959. The next prime is 22212991. The reversal of 22212975 is 57921222.

It is an interprime number because it is at equal distance from previous prime (22212959) and next prime (22212991).

It is not a de Polignac number, because 22212975 - 2⁴ = 22212959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7165 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (1544358).

Almost surely, 2^22212975 is an apocalyptic number.

22212975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22212975 is a deficient number, since it is larger than the sum of its proper divisors (14851617).

22212975 is a wasteful number, since it uses less digits than its factorization.

22212975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747 (or 2742 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 22212975 is about 4713.0642898225. The cubic root of 22212975 is about 281.1052193104.

The spelling of 22212975 in words is "twenty-two million, two hundred twelve thousand, nine hundred seventy-five".